City report · Rheinland-Pfalz, Germany
Koblenz Air quality today
Air quality in Koblenz currently reads AQI 60 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
AQI 60
Air quality right now
Moderate
- PM2.5, fine particles (µg/m³)
- 14.0
- tree cover
- 42.2%
- trees in this area
- 113K
- more trees needed
- 0
Measured across a 2 km radius around Koblenz-Goldgrube, Koblenz, Germany (12.57 km²), from a satellite image of Sep 25, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Koblenz · AQI 60 (Moderate)
Koblenz's tree count comes to 113,484 trees across 10.76 km² of land, already at or above the 30% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Koblenz today: AQI 60, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 16:00 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.
Ground station · Koblenz-Hohenfelder Straße, 1.1 km away · median of 2 stations
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
14.0
PM10
16.4
NO₂
25.8
O₃
—
SO₂
—
CO
401.3
Data: OpenAQ · EEA
- Outdoor exercise
- Fine for most people; unusually sensitive people should take long or hard exercise easier
- Windows
- Fine to open; close them if you are sensitive to pollution
- Mask
- Not needed for most people
- Air purifier
- Worth running if you are sensitive
Over the last 7 days, the CAMS air-quality model put Koblenz's daily AQI at 64 on average, from 45 on Nov 4 to an hourly peak of 84 on Nov 8.
Where Koblenz stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Koblenz: Healthy tree cover
42.2% tree cover against a 30% healthy-neighborhood target, across 10.76 km² of land.
Trees in this area
113,484
Target trees
113,484
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Koblenz lost?
Since 2001, the area within 10 km of Koblenz has lost about 1,060 hectares of forest (about 1,500 football pitches): 8.2% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 32 hectares (3%) was deforestation: forest cleared for good for farms, mines or towns.
2017: satellite photo from August 2017 of a 5 × 5 km area about 7 km east of the city center.
- Forest lost since 2001
- 1,060 haabout 1,500 football pitches
- Share of its forest
- 8.2%of what there was in 2000
- Cleared for good
- 32 hadeforestation: turned into farms, mines or towns
Forest loss is slowing down: about 24 hectares a year in 2021–2025, down from 64 hectares a year in 2016–2020. The worst year was 2010, when about 292 hectares of forest were lost.
Hectares of forest lost each year
Show the figures as a table
| Year | Cleared for good | Can grow back | Total |
|---|---|---|---|
| 2001 | under 1 ha | 4 ha | 5 ha |
| 2002 | 2 ha | 30 ha | 32 ha |
| 2003 | under 1 ha | 8 ha | 8 ha |
| 2004 | under 1 ha | 36 ha | 37 ha |
| 2005 | under 1 ha | 21 ha | 21 ha |
| 2006 | under 1 ha | 19 ha | 20 ha |
| 2007 | under 1 ha | 31 ha | 32 ha |
| 2008 | 3 ha | 48 ha | 51 ha |
| 2009 | 1 ha | 50 ha | 51 ha |
| 2010 | 4 ha | 289 ha | 292 ha |
| 2011 | 3 ha | 32 ha | 35 ha |
| 2012 | under 1 ha | 20 ha | 20 ha |
| 2013 | under 1 ha | 3 ha | 4 ha |
| 2014 | under 1 ha | 10 ha | 10 ha |
| 2015 | under 1 ha | 7 ha | 8 ha |
| 2016 | 2 ha | 9 ha | 11 ha |
| 2017 | 2 ha | 18 ha | 19 ha |
| 2018 | 1 ha | 18 ha | 19 ha |
| 2019 | 3 ha | 100 ha | 103 ha |
| 2020 | 6 ha | 164 ha | 170 ha |
| 2021 | 1 ha | 79 ha | 80 ha |
| 2022 | under 1 ha | 4 ha | 4 ha |
| 2023 | under 1 ha | 11 ha | 12 ha |
| 2024 | under 1 ha | 15 ha | 16 ha |
| 2025 | under 1 ha | 6 ha | 7 ha |
What is causing deforestation around Koblenz?
- Loggingcan grow back96% · 1,020 ha
- Towns and roadscleared for good2.8% · 30 ha
- Unknown causescause unknown1.1% · 12 ha
Also: farms, pasture and plantations.
Causes for 2025 are estimates, based on what caused forest loss in the same places up to 2024.
Forest gained and lost, 2000–2020
- Forest in 2000
- 16,700 ha
- Forest in 2020
- 16,700 ha
- Overall change
- +56 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Koblenz stayed about the same size, at about 16,700 hectares: new forest grew on about 299 hectares, and about 243 hectares were lost.
These 2000 and 2020 maps, from the University of Maryland, count any land with trees taller than 5 m as forest, including plantations and orchards. Forest that was cut or burned and had grown back by 2020 counts in both years, so the loss here is smaller than the yearly figures.
These figures cover everything within 10 km of the city center, a wider area than the report above, because forest is usually lost at a city's edges.
Source: Hansen/UMD/Google/USGS/NASA, Global Forest Change (GFC-2025-v1.13); causes: WRI/Google DeepMind drivers of forest loss; both CC BY 4.0, summed by Airleaf for each area. Forest gained and lost 2000–2020: Potapov et al. 2022, UMD GLAD Global Land Cover and Land Use Change, CC BY 4.0. Images: contains modified Copernicus Sentinel data. How it's measured
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Frequently asked
Questions about Koblenz
What is the air quality (AQI) in Koblenz right now?
The latest reading for Koblenz shows an AQI of 60 (Moderate), measured Nov 11, 16:00 local time by 2 ground monitoring stations via OpenAQ (the median of their readings; the nearest is Koblenz-Hohenfelder Straße, 1.1 km away). The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Koblenz today?
At AQI 60 (Moderate): fine for most people; unusually sensitive people should take long or hard exercise easier. Windows: fine to open; close them if you are sensitive to pollution. Masks: not needed for most people. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Koblenz been like this week?
Over the last 7 days, the CAMS air-quality model put Koblenz's daily AQI at 64 on average, from 45 on Nov 4 to an hourly peak of 84 on Nov 8. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Koblenz lost since 2001?
Since 2001, the area within 10 km of Koblenz has lost about 1,060 hectares of forest (about 1,500 football pitches): 8.2% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 32 hectares (3%) was deforestation: forest cleared for good for farms, mines or towns. Forest loss is slowing down: about 24 hectares a year in 2021–2025, down from 64 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around Koblenz stayed about the same size, at about 16,700 hectares: new forest grew on about 299 hectares, and about 243 hectares were lost.
What is the tree count in Koblenz?
Koblenz has an estimated 113,484 trees across the 10.76 km² of land measured — 42.2% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Koblenz need?
Koblenz has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Koblenz's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Koblenz-Goldgrube, via OpenAQ; the 7-day trend is the Open-Meteo / CAMS model's estimate. Tree cover is measured from Sentinel-2 L2A (ESA Copernicus) via Earth Search satellite imagery at 10 m detail across a 2 km radius around Koblenz-Goldgrube; the tree count is an estimate derived from that cover.
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